| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cal-Ida | city | California | United States | 39.53 | -121.02 | 3349 | |
| Cal-ore Trail Mobile Estates | city | California | United States | 41.40 | -122.38 | 4189 | |
| Calabasas | city | California | United States | 34.16 | -118.64 | 967 | |
| Calabasas Highlands | city | California | United States | 34.13 | -118.65 | 1669 | |
| Calada | city | California | United States | 35.58 | -115.37 | 2723 | |
| Calaveritas | city | California | United States | 38.16 | -120.61 | 1200 | |
| Calavo Gardens | city | California | United States | 32.76 | -116.96 | 830 | |
| Calders Corner | city | California | United States | 35.38 | -119.25 | 331 | |
| Caldor | city | California | United States | 38.61 | -120.43 | 4599 | |
| Caldwell (historical) | city | California | United States | 36.58 | -120.15 | 173 | |
| Caldwell Pines | city | California | United States | 38.85 | -122.81 | 3349 | |
| Caleb (historical) | city | California | United States | 33.54 | -116.02 | -1689 | |
| Calexico | city | California | United States | 32.68 | -115.50 | 6 | |
| Calexico Lodge | city | California | United States | 32.67 | -116.28 | 3431 | |
| Calflax | city | California | United States | 36.34 | -120.10 | 272 | |
| Calgro | city | California | United States | 36.49 | -119.29 | 298 | |
| Calico | city | California | United States | 35.63 | -119.21 | 400 | |
| Calico | city | California | United States | 34.95 | -116.87 | 2509 | |
| Caliente | city | California | United States | 35.29 | -118.63 | 1669 | |
| Caliente Sands | city | California | United States | 33.79 | -116.46 | 291 | |
| Califa (historical) | city | California | United States | 37.08 | -120.21 | 246 | |
| California City | city | California | United States | 35.13 | -117.99 | 2509 | |
| California Heights | city | California | United States | 33.83 | -118.18 | 98 | |
| California Hot Springs | city | California | United States | 35.88 | -118.66 | 3372 | |
| California Mobile Home Park | city | California | United States | 33.75 | -117.91 | 59 | |
| California Pines | city | California | United States | 41.41 | -120.68 | 4399 | |
| California Valley | city | California | United States | 35.32 | -120.01 | 1968 | |
| Calimesa | city | California | United States | 34.00 | -117.06 | 2509 | |
| Calimesa Mobile Home Ranch | city | California | United States | 33.97 | -117.04 | 2509 | |
| Calipatria | city | California | United States | 33.13 | -115.51 | -1689 | |
| Calistoga | city | California | United States | 38.58 | -122.58 | 830 | |
| Calkins (historical) | city | California | United States | 40.66 | -122.19 | 830 | |
| Calla | city | California | United States | 37.78 | -121.18 | 49 | |
| Callahan | city | California | United States | 41.31 | -122.80 | 3398 | |
| Callender | city | California | United States | 35.05 | -120.60 | 121 | |
| Calneva | city | California | United States | 40.15 | -120.01 | 4189 | |
| Calpack | city | California | United States | 37.30 | -120.35 | 262 | |
| Calpella | city | California | United States | 39.23 | -123.20 | 830 | |
| Calpine | city | California | United States | 39.67 | -120.44 | 5029 | |
| Calvada (historical) | city | California | United States | 39.46 | -120.01 | 5324 | |
| Calvada Springs | city | California | United States | 35.97 | -115.90 | 2598 | |
| Calville | city | California | United States | 40.94 | -124.10 | 196 | |
| Calwa | city | California | United States | 36.71 | -119.76 | 249 | |
| Calzona | city | California | United States | 34.13 | -114.41 | 396 |